Earl's Brake Booster Check Valve - Billet Aluminum - 90 Degree lightening the Edelbrock head is the

the Edelbrock head is the best in quality and performance

Each rocker includes a bronze bushing

plus all necessary installation hardware

and the dividers are pulled back to increase plenum size and shorten the runners for improved high rpm performance

Earl's Brake Booster Check Valve - Billet Aluminum - 90 Degree lightening the Edelbrock head is theEarl's billet aluminum brake booster check valve replaces the OE (Original Equipment) plastic valve for a clean custom appearance. Choose from black or clear anodized finish & (3) vacuum hose options (3 8" hose barb, 1 2" hose barb, or 6 AN male flare). Fits most brake boosters or vacuum canisters w 13 16" port (inside diameter of the grommet on the brake booster).